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arXiv 1307.4530math.FA
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与谱集相关的局部平移

Local translations associated to spectral sets

Dorin Ervin Dutkay, John Haussermann

摘要:

关于Fuglede猜想,我们研究了与谱集相关的局部平移组,即,$\br$或$\bz$中具有指数函数的正交基的可测集合。我们研究了$\bz$和$\br$上的局部平移群之间的联系,并给出了一些低基数的例子。我们提出了局部平移群和拼接群之间的一些关系。

英文摘要:

In connection to the Fuglede conjecture, we study groups of local translations associated to spectral sets, i.e., measurable sets in $\br$ or $\bz$ that have an orthogonal basis of exponential functions. We investigate the connections between the groups of local translations on $\bz$ and on $\br$ and present some examples for low cardinality. We present some relations between the group of local translations and tilings.

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